Assembly of boards



April 16, 1963 E. NUORNAARA 3,085,301

ASSEMBLY OF BOARDS Filed Feb. 18, 1960 Fig] 2 2 7 United States Patent O 3,085,301 ASSEMBLY @E BGARDS Enzio Nnorivaara, Kuopio, Finland Filed Feb. 18, 1960, Ser. No. 9,490 Claims priority, application Finiand Mai'. 19, 1959 Claims. (CE. 24F- 92) The present invention is concerned with improvements in and relating to panels or boards, and more especially to a method of covering elements connecting panels or boards, such as fibre-boards, plaster boards or mineral panels to a support.

It is an object of the invention to provide a method for assembling boards on a support in such a manner as to cover the members connecting the boards to the support.

It is a further object of the invention to modify boards to enable their ready assembly while providing for the subsequent utilization of a decorative covering for the members connecting the boards to a support.

According to the present invention there is provided a panel or board with edges having a groove formed thereon. The board is undercut at said groove to form a slot in said board substantially parallel to the surface of the panel or board. The panels or boards of the present invention can be used for covering internal wall or ceiling spaces by attaching the panel to supports, for example with nails or other connecting members.

It is preferred to use a combination of two or more of the boards described above, whereby it is possible to cover the connecting fixing members, by iitting a sealing strip in the slot formed by the undercut grooves of two edge abutted panels. Any suitable material capable of being formed into strips and fitted into the slots formed in the grooves of two adjacent edge abutted panels, will suiiice as a sealing strip for the present invention. Such a strip may for example be made from cardboard, paper, plaster, metal or veneer. If one end of the strip is formed in point shape, it is facilitates entry of the strip into the slots formed in the grooves.

The present invention is illustrated by reference to the accompanying drawings, in which:

FIG. 1 is a plan View of six panels lixed to a support.

PIG. 2 shows a sectional view along the line II-II on a larger scale than in FIG. 1.

FIG. 3 shows a similar view as FIG. 2, but for the case when a corrugated strip is fitted in the slots formed in the grooves of adjacent end abutted boards.

In the drawings, reference numeral 1 designates a support to which panels or boards 2 are lixed by means of nails 3. The edges of the panels 2 are cut out to form grooves therein. -Formed in the vertical sides of two mutually facing grooves is an undercut groove or slot 5, most advantageously formed to provide an extension for surface 6 of the board. The rails are driven through surface 6 and into support 1.

When the panels have been fixed to their supports a pointed-end strip 7 of a suitable material, for example cardboard, paper, plastic, metal or veneer is fitted into the slots 5. In the case shown in FIG. 2, a straight strip has been used and in FIG. 3 a corrugated strip has been used.

The surface of the strip which rests against the panels or boards can be treated, before the strip is introduced into position with a glue which hardens under heat. The

strips can be corrugated at the working site, by means of a simple appropriate tool.

The method according to the invention affords the following advantages. Owing to the fact that the connecting members can be covered by means of a very thin strip, the slot provided for accommodating the strip does no1.` substantially weaken the edge of the panel, since the slot can be narrow and shallow in depth.

The surface formed by the panels can easily be painted after the strips have been removed from the slots. The sides 4 of the boards at the grooves can also be painted. and it is of no significance if paint also falls on the surface 6, since this is covered by the strips.

The strips can be provided in lengths which correspond to the dimensions of the room, so that the covering has no joints. In addition, the strips are easily and cheaply replaceable by others of a desired color.

Although the drawings show square panels it is to be understood that the invention can also be used in the case of panels and boards of any other shape.

The strips are liexible, can be transported wound in the form of reels to the working site, where they can be cut to desired length.

It will be obvious to those skilled in the art to modify and vary the disclosed embodiments without departing from the spirit of the following claims.

What is claimed is:

`l. A method comprising forming grooves in the edges of a pair of boards, aligning the pair of boards in edgewise relation on a support with the grooves providing a surface extending substantially parallel to the support, connecting each of the boards to said support by passing connecting members through said surface of each of the boards and into the support, undercutting the boards -at said grooves to extend said surface and to form a slot in the boards, and inserting a iiexible strip adapted to be unfwound from a reel into said slot to cover said connecting member, the strip being partially visible through the grooves.

2. A method as claimed in claim 1 comprising forming a point on the end of said strip to facilitate engaging the strip in said slot.

3. A method as claimed in claim 1 comprising corrugating said flexible strip.

4. A method as claimed in claim 1 comprising forming said grooves and slot along the length of the board, and inserting said strip at the ends of the boards.

5. A method as claimed in claim 1 comprising inserting a flexible strip which is loosely accommodated in said slot.

References Cited in the file of this patent UNITED STATES PATENTS 156,789 Haley et al. Nov. `10, 1874 1,657,332 Absmeier Ian. 2A, `1928 2,158,732 Shannon May 16, 1939 2,339,865 Larmour Ian. 25, 1944 2,578,085 Perkins Dec. 11, 1951 2,735,146 Purviance Feb. 21, 1956 2,825,101 Rubenstein Mar. 4, 1958 FOREIGN PATENTS 524,219 Germany May 4, 1931 

1. A METHOD COMPRISING FORMING GROOVES IN THE EDGES OF A PAIR OF BOARDS, ALIGNING THE PAIR OF BOARDS IN EDGEWISE RELATION ON A SUPPORT WITH THE GROOVES PROVIDING A SURFACE EXTENDING SUBSTANTIALLY PARALLEL TO THE SUPPORT, CONNECTING EACH OF THE BOARDS TO SAID SUPPORT BY PASSING CONNECTING MEMBERS THROUGH SAID SURFACE OF EACH OF THE BOARDS AND INTO THE SUPPORT, UNDERCUTTING THE BOARDS AT SAID GROOVES TO EXTEND SAID SURFACE AND TO FORM A SLOT IN THE BOARDS, AND INSERTING A FLEXIBLE STRIP ADAPTED TO BE UNWOUND FROM A REEL INTO SAID SLOT TO COVER SAID CONNECTING MEMBER, THE STRIP BEING PARTIALLY VISIBLE THROUGH THE GROOVES. 